Index: firmware/App/Controllers/DialInFlow.c
===================================================================
diff -u -r96bff7c1a8c755eb28a89e131a737dc1c4a7d9fc -r2bb447181c2519690441d81f83563d17e0882ef2
--- firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 96bff7c1a8c755eb28a89e131a737dc1c4a7d9fc)
+++ firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 2bb447181c2519690441d81f83563d17e0882ef2)
@@ -18,8 +18,9 @@
     #include <math.h>
 #endif
 
-#include "can.h"
 #include "etpwm.h"
+#include "gio.h"
+#include "mibspi.h"
 
 #include "Common.h"
 #include "FPGA.h"
@@ -90,14 +91,14 @@
     NUM_OF_DIAL_IN_FLOW_SELF_TEST_STATES
 } DIAL_IN_FLOW_SELF_TEST_STATE_T;
 
-// CAN3 port pin assignments for pump stop and direction outputs
-#define STOP_CAN3_PORT_MASK             0x00000002  // (Tx - re-purposed as output GPIO for dialIn pump stop signal)
-#define DIR_CAN3_PORT_MASK              0x00000002  // (Rx - re-purposed as output GPIO for dialIn pump direction signal)
+// pin assignments for pump stop and direction outputs
+#define STOP_DI_PUMP_GIO_PORT_PIN        2U
+#define DIR_DI_PUMP_SPI5_PORT_MASK       0x00000100  // (ENA - re-purposed as output GPIO)
 // dialIn pump stop and direction macros
-#define SET_DIP_DIR()                    {canREG3->RIOC |= DIR_CAN3_PORT_MASK;}
-#define SET_DIP_STOP()                   {canREG3->TIOC |= STOP_CAN3_PORT_MASK;}
-#define CLR_DIP_DIR()                    {canREG3->RIOC &= ~DIR_CAN3_PORT_MASK;}
-#define CLR_DIP_STOP()                   {canREG3->TIOC &= ~STOP_CAN3_PORT_MASK;}
+#define SET_DIP_DIR()                    {mibspiREG5->PC3 |= DIR_DI_PUMP_SPI5_PORT_MASK;}
+#define SET_DIP_STOP()                   gioSetBit( gioPORTA, STOP_DI_PUMP_GIO_PORT_PIN, PIN_SIGNAL_HIGH )
+#define CLR_DIP_DIR()                    {mibspiREG5->PC3 &= ~DIR_DI_PUMP_SPI5_PORT_MASK;}
+#define CLR_DIP_STOP()                   gioSetBit( gioPORTA, STOP_DI_PUMP_GIO_PORT_PIN, PIN_SIGNAL_LOW )
 
 // ********** private data **********